Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Creation of readiness
21.1.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Automatic test procedure
21.1.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Customer limitation of maximum speed
21.1.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Start/stop - activation/deactivation
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Security access: blocking detection
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine DPF regeneration
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Temperature sensors test
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - Intake air mass sensor CUUx
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Basic settings - exhaust gas flap
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Zeroing learning values - cylinders: pressure sensor
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
21.1.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx